This wiki installation is running version pmwiki-2.2.84, version number 2002084.
Use the {$Version} page variable to display the current version of PmWiki.
See the SiteAdmin.Status page for the current version and version number.
For example
| This wiki installation is running PmWiki {$Version}, version number {$VersionNum}. | 
| This wiki installation is running PmWiki pmwiki-2.2.84, version number 2002084. The default group is Main.
 The default name is HomePage.
 The site group is Site
 | 
See also basic variables.
The script version.php  contains the declaration of the version number. The file is located on scripts/version.php, relative to PmWiki installation path.
The Site Analyzer can be used to display the current version of Cookbook recipes.
See also Cookbook:RecipeCheck
This page may have a more recent version on pmwiki.org: PmWiki:Version, and a talk page: PmWiki:Version-Talk.